Memory Management Overhead

Source code: oils/benchmarks/gc.sh

GC Stats

task elapsed ms max gc millis total gc millis allocated MB max rss MB num allocated num gc points num gc done gc threshold num growths max survived shell label
parse.configure-cpython 31 4 10 12.0 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 4 10 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 133 23 59 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 142 23 59 45.9 52.3 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.2 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 8.9 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 229 0 4 11.6 9.4 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.6 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,234 277 3 84,016 1 42,008 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.7 dash -
12 12 0 3.4 bash -
89 47 50 3.5 zsh -
15 10 5 30.2 bumpleak/osh mut
16 12 4 30.5 _bin/cxx-opt+bumproot/osh mut
19 15 4 30.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 15 10 25.6 osh-native mut+alloc
27 16 11 25.8 osh-native mut+alloc+free
31 27 4 18.4 osh-native mut+alloc+free+gc
32 25 7 18.4 osh-native mut+alloc+free+gc+exit
28 21 7 26.0 osh-nosouffle mut+alloc
29 17 12 26.3 osh-nosouffle mut+alloc+free
34 26 8 18.7 osh-nosouffle mut+alloc+free+gc
35 25 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 26 14 32.3 _bin/cxx-opt+nopool/osh mut+alloc
45 37 8 22.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

parse.configure-coreutils

Parsing the autoconf-generated configure script from GNU coreutils.

Note that unlike other shells, osh -n retains all nodes on purpose. (See the parser benchmark).

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
23 22 1 1.7 dash -
42 38 4 3.4 bash -
329 177 175 3.8 zsh -
45 36 9 84.7 bumpleak/osh mut
47 36 11 85.9 _bin/cxx-opt+bumproot/osh mut
60 46 14 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 52 31 73.7 osh-native mut+alloc
91 58 33 75.6 osh-native mut+alloc+free
133 110 23 51.7 osh-native mut+alloc+free+gc
138 109 29 52.4 osh-native mut+alloc+free+gc+exit
92 60 32 74.1 osh-nosouffle mut+alloc
101 66 35 76.0 osh-nosouffle mut+alloc+free
142 123 19 52.3 osh-nosouffle mut+alloc+free+gc
147 123 24 52.8 osh-nosouffle mut+alloc+free+gc+exit
131 80 50 98.5 _bin/cxx-opt+nopool/osh mut+alloc
192 158 34 72.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

parse.abuild

Parsing abuild from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
2 1 1 1.7 dash -
4 4 0 3.1 bash -
6 5 2 3.4 zsh -
6 4 2 11.7 bumpleak/osh mut
6 5 1 12.3 _bin/cxx-opt+bumproot/osh mut
7 5 1 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 2 10.5 osh-native mut+alloc
8 3 5 10.6 osh-native mut+alloc+free
9 7 2 8.8 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
8 7 1 11.0 osh-nosouffle mut+alloc
8 7 1 11.0 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 6 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.9 _bin/cxx-opt+nopool/osh mut+alloc
11 10 2 9.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.compute-fib

A synthetic benchmark for POSIX shell arithmetic.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
9 8 1 1.6 dash -
31 30 1 3.4 bash -
21 15 6 3.4 zsh -
17 12 5 33.1 bumpleak/osh mut
18 14 3 33.0 _bin/cxx-opt+bumproot/osh mut
20 15 5 33.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 20 8 27.0 osh-native mut+alloc
29 18 11 27.1 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 20 0 8.3 osh-native mut+alloc+free+gc+exit
33 24 9 27.3 osh-nosouffle mut+alloc
35 26 9 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 20 5 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 30 14 36.1 _bin/cxx-opt+nopool/osh mut+alloc
29 26 3 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.bashcomp-parse-help

A realistic bash-completion workload.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
102 93 9 3.4 bash -
210 158 52 57.0 bumpleak/osh mut
221 169 52 57.3 _bin/cxx-opt+bumproot/osh mut
238 178 60 57.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 191 65 48.8 osh-native mut+alloc
267 196 71 50.7 osh-native mut+alloc+free
221 177 44 8.9 osh-native mut+alloc+free+gc
221 152 69 9.0 osh-native mut+alloc+free+gc+exit
259 194 65 49.2 osh-nosouffle mut+alloc
269 194 75 51.3 osh-nosouffle mut+alloc+free
229 186 43 9.4 osh-nosouffle mut+alloc+free+gc
228 180 48 9.7 osh-nosouffle mut+alloc+free+gc+exit
279 204 75 65.2 _bin/cxx-opt+nopool/osh mut+alloc
250 196 54 10.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.abuild-print-help

Running abuild -h from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
9 4 5 3.9 dash -
15 9 7 4.8 bash -
15 9 7 3.9 zsh -
17 8 9 12.3 bumpleak/osh mut
17 8 10 13.0 _bin/cxx-opt+bumproot/osh mut
19 9 11 14.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 13 6 11.5 osh-native mut+alloc
20 11 10 11.7 osh-native mut+alloc+free
20 12 9 9.6 osh-native mut+alloc+free+gc
21 9 12 9.4 osh-native mut+alloc+free+gc+exit
20 12 8 12.1 osh-nosouffle mut+alloc
21 11 11 12.1 osh-nosouffle mut+alloc+free
21 8 13 10.0 osh-nosouffle mut+alloc+free+gc
22 13 10 10.2 osh-nosouffle mut+alloc+free+gc+exit
22 9 14 13.2 _bin/cxx-opt+nopool/osh mut+alloc
23 13 10 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc